20180240245

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{1987}}^1\times {\mathrm{16787}}^1$

素因数の和:18801

約数の個数: 24

約数和(自身を含む): 26632886112

約数和(自身を除く): 6452645867

約数列:

[1, 5, 11, 55, 121, 605, 1987, 9935, 16787, 21857, 83935, 109285, 184657, 240427, 923285, 1202135, 2031227, 10156135, 33355769, 166778845, 366913459, 1834567295, 4036048049, 20180240245]

約数ペア:

[(1, 20180240245), (5, 4036048049), (11, 1834567295), (55, 366913459), (121, 166778845), (605, 33355769), (1987, 10156135), (9935, 2031227), (16787, 1202135), (21857, 923285), (83935, 240427), (109285, 184657)]